... indoor units. Don’t disturb functions1.7-inch TFT LCD, no radiation, low power consumption, high-definition widescreen images. ultra-thin black steel ... panel. 2 hands-free intercom function 3. Eclectic lock-control function4. Monitor the view out of the door 5. Volume, ... box, 10sets in a carton. 11 . max combination : 2 outdoor cameras with 8 indoor monitors3. Tech Parameters4. Packing List (for 1V1 ...